As BA.2 subvariant of Omicron rises, lab studies point to signs of severity – CNN February 18, 2022 February 18, 2022 / By The Global Reporter Like And Share As BA.2 subvariant of Omicron rises, lab studies point to signs of severity CNNView Full Coverage on Google News Share The Article with FriendsTweetWhatsAppLike And Share Like this:Like Loading... Related